public class Demo06 {
    public static void main(String[] args) {

    }
}


class PersonDemo06{

    private String name;

    private int age;

    public PersonDemo06(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public PersonDemo06(String name) {
        this(name, 12);
    }

    public PersonDemo06() {
    }
}
